19503484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4906

約数の個数: 48

約数和(自身を含む): 45835776

約数和(自身を除く): 26332292

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4871, 9742, 19484, 34097, 53581, 63323, 68194, 107162, 126646, 136388, 214324, 253292, 375067, 443261, 696553, 750134, 886522, 1393106, 1500268, 1773044, 2786212, 4875871, 9751742, 19503484]

約数ペア:

[(1, 19503484), (2, 9751742), (4, 4875871), (7, 2786212), (11, 1773044), (13, 1500268), (14, 1393106), (22, 886522), (26, 750134), (28, 696553), (44, 443261), (52, 375067), (77, 253292), (91, 214324), (143, 136388), (154, 126646), (182, 107162), (286, 68194), (308, 63323), (364, 53581), (572, 34097), (1001, 19484), (2002, 9742), (4004, 4871)]